High Efficiency, Constant Current White-LED Driver

he AT1313 Step-up converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness. An enable input CAN be pulsed repeatedly to adjust LEDs brightness. The fast 1.4 MHz current-mode PWM control allows for smaller capacitor and inductor. Fault condition protection uses cycle-by-cycle current limiting to sense maximum inductor current and over-voltage protection. Also included soft-start eliminates inrush current during start-up. The 0.2V low reference voltage minimized the power loss across the current-setting resistor. By Aimtron Technology
AT1313 's PackagesAT1313 's pdf datasheet
AT1313X-GRE SOT-26

AT1313 Pinout, Pinouts
AT1313 pinout,Pin out
This is one package pinout of AT1313,If you need more pinouts please download AT1313's pdf datasheet.

AT1313 Application circuits
AT1313 circuits
This is one application circuit of AT1313,If you need more circuits,please download AT1313's pdf datasheet.

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